Vasilko Konstantinovich, Duke of ROSTOV & VLADIMIR
He married Mariya Mikhailovna, Princess of Chernigov 10 Feb 1227 at Chernigov, Chernigov, Ukraine . Mariya Mikhailovna, Princess of Chernigov was born at of Chernigov, Chernigov, Ukraine Abt 1210 daughter of Mikhail Vsevolodovich, Grand Duke of Kiev and Mariya Romanovna, Princess of Galich .
They were the parents of 2
children:
Boris Vasilkovich, Duke of Rostov
born 24 Jul 1231.
Gleb Vasilkovich Duke of Beloozero & Rostov
born 1237.
Vasilko Konstantinovich, Duke of Rostov & Vladimir died 4 Mar 1238 .